Rock fish shape, body the fort nearly round head header contains many large thorns body color dark. I work hard a fin spines. The stem fin very poisonous. The venom glands of the stem fin surface layer solid under staying around the center.The poison is released when the membranes spines tear. Danger caused by the touch rod rigid fins various areas because the stone fish likes to stay calm. Do look like stones the poison may have thirsty. Various aches, depression, delirium.Until the death in the end. The stone fish is considered to be one of the deadly poisonous fish in the world